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RoseWind [281]
3 years ago
8

Jenny ran 4 4/5 miles on Saturday and 6 2/5 miles on sunday. How many miles should she run on monday if she wants her average ru

n for the three days to be 5 miles
Mathematics
1 answer:
LekaFEV [45]3 years ago
6 0

Answer:

3.8 miles

Step-by-step explanation:

Given data

Saturday= 4 4/5 miles= 24/5= 4.8 miles

Sunday= 6 2/5 miles = 32/5=6.4 miles

Monday=  x miles

Average= 5 miles

We know that

Average= Sum of data/Number of data

5= 4.8+6.4+x/3

cross multiply

5*3= 4.8+6.4+x

15= 11.2+x

x= 15-11.2

x=3.8 miles

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Answer:

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Step-by-step explanation:

Let the equation of the give cubic function is,

f(x) = p(x - a)(x - b)(x - c)

Here, a, b, c and d are the x-intercepts of the given graph.

Since, x-intercepts given in the graph are x = -5, 1 and 4,

Equation of the curve will be,

f(x) = p(x + 5)(x - 1)(x - 4)

Since, the graph of this function passes through (2, -2) also

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Therefore, equation will be,

f(x) = \frac{1}{7}(x+5)(x-1)(x-4)

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Step-by-step explanation:

HOPE THIS HELPED

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